Security Bulletin: Vulnerabilities in OpenSSL affect IBM Security Network Protection (CVE-2015-3194, CVE-2015-3195, and CVE-2015-3196)

Summary

Security vulnerabilities have been discovered in OpenSSL used with IBM Security Network Protection.

Vulnerability Details

CVEID: CVE-2015-3194**
DESCRIPTION:** OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference when verifying certificates via a malformed routine. An attacker could exploit this vulnerability using signature verification routines with an absent PSS parameter to cause any certificate verification operation to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108503 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2015-3195**
DESCRIPTION:** OpenSSL could allow a remote attacker to obtain sensitive information, caused by a memory leak in a malformed X509_ATTRIBUTE structure. An attacker could exploit this vulnerability to obtain CMS data and other sensitive information.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108504 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2015-3196**
DESCRIPTION:** OpenSSL is vulnerable to a denial of service, caused by a race condition when PSK identity hints are received by a multi-threaded client and the SSL_CTX structure is updated with the incorrect value. An attacker could exploit this vulnerability to possibly corrupt memory and cause a denial of service.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108505 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

IBM Security Network Protection 5.3.1
IBM Security Network Protection 5.3.2

Remediation/Fixes

Product

| VRMF| Remediation/First Fix
—|—|—
IBM Security Network Protection| Firmware version 5.3.1| Download Firmware 5.3.1.8 from IBM Security License Key and Download Center and upload and install via the Available Updates page of the Local Management Interface.
IBM Security Network Protection| Firmware version 5.3.2| Install Firmware 5.3.2.2 from the Available Updates page of the Local Management Interface, or by performing a One Time Scheduled Installation from SiteProtector.

Workarounds and Mitigations

None